Problems

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
0-1 Sequences	1920	368	19%	0.01	445	265	60%	6.2
10 Kinds of People	3211	705	22%	0.01	566	385	68%	5.1
2048	3045	1540	51%	0.00	1478	1268	86%	2.3
3D Printed Statues	698	375	54%	0.00	310	280	90%	2.0
3D Printer	128	35	27%	0.00	42	28	67%	5.3
3-Sided Dice	733	50	7%	0.00	129	42	33%	8.7
4 thought	2526	870	34%	0.00	878	724	82%	2.9
A1 Paper	1813	559	31%	0.00	554	431	78%	3.8
Aaah!	9816	4824	49%	0.00	4139	3871	94%	1.4
ABC	1892	931	49%	0.00	908	821	90%	1.7
A+B Problem	2236	235	11%	0.06	371	130	35%	8.3
Absurdistan Roads II	419	148	35%	0.00	140	93	66%	6.9
Absurdistan Roads III	915	228	25%	0.04	222	159	72%	6.1
A Classy Problem	2481	693	28%	0.02	643	512	80%	4.0
ACM Contest Scoring	2490	1550	62%	0.00	1391	1322	95%	1.4
Adding Words	3103	651	21%	0.00	745	532	71%	4.1
A Different List Game	3807	275	7%	0.00	448	84	19%	9.1
A Different Problem	11670	4795	41%	0.00	4438	3860	87%	1.9
Adjoin the Networks	861	238	28%	0.00	205	152	74%	6.1
Administrative Difficulties	350	88	25%	0.04	103	71	69%	5.1
Adventures in Moving -- Part IV	479	151	32%	0.00	138	117	85%	4.8
A Favourable Ending	604	109	18%	0.01	142	90	63%	5.1
A Feast For Cats	590	196	33%	0.56	154	126	82%	4.6
Air Conditioned Minions	1706	479	28%	0.00	520	385	74%	4.2
Airline Hub	1081	210	19%	0.01	203	125	62%	5.9
Airport Construction	1623	187	12%	0.05	155	86	55%	6.3
Airport Logistics	36	7	19%	0.00	12	7	58%	8.1
Airports	129	44	34%	0.22	37	29	78%	5.7
Akcija	1585	706	45%	0.01	659	574	87%	2.2
Aladin	593	49	8%	0.17	87	14	16%	8.8
Alchemy	31	8	26%	0.03	17	8	47%	8.0
Alea iacta est	22	11	50%	0.47	11	10	91%	5.1
Alien Numbers	955	491	51%	0.00	475	435	92%	1.8
A List Game	3486	1005	29%	0.00	952	779	82%	3.3
All about that base	1622	588	36%	0.00	638	524	82%	2.9
All Different Directions	315	153	49%	0.00	157	137	87%	2.7
Allergy Test	166	57	34%	0.00	40	23	57%	6.6
All Friends	461	93	20%	0.01	70	41	59%	8.2
All Just A Dream	729	181	25%	0.07	114	85	75%	4.9
All Pairs Shortest Path	2386	453	19%	0.03	308	199	65%	6.6
Almost Perfect	2095	512	24%	0.00	547	423	77%	3.3
Almost Union-Find	2892	392	14%	0.03	470	214	46%	7.5
Alphabet Spam	2811	1831	65%	0.00	1227	1178	96%	1.4
Alternative Bracket Notation	157	67	43%	0.00	70	60	86%	5.2
Amalgamated Artichokes	2252	988	44%	0.01	884	775	88%	2.5
Amanda Lounges	820	205	25%	0.07	187	137	73%	6.0
Amazing Race	211	54	26%	0.54	61	43	70%	6.7
Ambiguous Result	99	29	29%	0.04	39	28	72%	7.1
Anagram Counting	1094	434	40%	0.00	434	357	82%	2.9
Andrew the Ant	65	22	34%	0.09	28	20	71%	5.0
Androids	262	90	34%	0.09	109	73	67%	5.6
A New Alphabet	4580	2095	46%	0.00	2007	1868	93%	1.6
Animal Classification	999	192	19%	0.04	194	124	64%	6.7
An Industrial Spy	777	424	55%	0.02	326	284	87%	3.1
Another Brick in the Wall	838	462	55%	0.00	461	415	90%	2.0
Another Candies	3400	914	27%	0.00	965	785	81%	2.9
Another Dice Game	57	40	70%	0.00	36	34	94%	3.6
Anthony and Cora	320	92	29%	0.01	107	72	67%	4.6
Antiarithmetic?	507	113	22%	0.18	150	93	62%	6.4
Ants	1143	462	40%	0.01	392	333	85%	2.8
Apaxiaaaaaaaaaaaans!	4074	2518	62%	0.00	2276	2181	96%	1.3
Apparatus	453	107	24%	0.01	87	64	74%	5.8
Apple Market	271	54	20%	0.19	67	31	46%	8.4
Apples, Cherries, and Mangos	230	73	32%	0.02	66	54	82%	5.7
Aquarium Tank	191	55	29%	0.00	57	43	75%	5.1
Aqueduct Construction	55	14	25%	0.01	16	13	81%	6.9
Arable Area	192	34	18%	0.08	42	24	57%	8.3
A Rational Sequence	654	245	37%	0.00	245	202	82%	3.9
A Rational Sequence 2	414	319	77%	0.00	315	305	97%	1.4
Arbitrage?	370	82	22%	0.05	66	53	80%	4.5
Arcade!	772	131	17%	0.01	136	96	71%	5.7
Arctic Network	796	297	37%	0.02	231	195	84%	4.1
A Real Challenge	2592	1278	49%	0.00	1244	1176	95%	1.4
Area of Effect	78	8	10%	4.74	13	6	46%	7.9
Arithmetic	633	146	23%	0.00	174	118	68%	5.0
Army Strength (Easy)	1502	800	53%	0.00	680	620	91%	1.9
Army Strength (Hard)	1840	870	47%	0.01	627	550	88%	2.5
Around and Around We Go	15	3	20%	0.00	7	3	43%	8.4
Around the Track	169	27	16%	0.00	39	19	49%	8.3
Arranging Hat	111	51	46%	0.10	51	44	86%	4.1
Artur	188	33	18%	0.15	43	26	60%	6.7
Artwork	405	138	34%	0.07	146	88	60%	6.1
A Safe Bet	151	47	31%	0.27	42	34	81%	5.9
ASCII Addition	31	20	65%	0.00	17	17	100%	2.6
ASCII Figure Rotation	811	235	29%	0.00	254	214	84%	3.7
As Easy as CAB	175	43	25%	0.00	43	32	74%	5.9
Aspen Avenue	727	255	35%	0.01	158	113	72%	6.4
Assembly Line	32	13	41%	0.68	15	11	73%	6.6
Assigning Workstations	781	247	32%	0.06	251	189	75%	4.9
Association for Computing Machinery	1094	438	40%	0.00	427	372	87%	2.1
Association for Control Over Minds	640	220	34%	0.08	222	183	82%	4.0
Association for Convex Main Office	386	97	25%	0.08	98	78	80%	6.2
Association for Cool Machineries (Part 1)	519	102	20%	0.04	134	86	64%	7.0
Association for Cool Machineries (Part 2)	33	21	64%	0.00	21	19	90%	4.1
Association for the Country of Mububa	1045	228	22%	0.00	278	174	63%	6.3
Association of Camera Makers	105	5	5%	10.56	8	5	62%	8.4
Association of Cats and Magical Lights	1088	237	22%	0.23	216	161	75%	5.4
Association of Computer Maintenance	743	89	12%	0.04	76	45	59%	7.9
Asteroid Rangers	70	35	50%	0.10	26	24	92%	5.4
Asteroids	498	95	19%	0.00	52	43	83%	4.5